air-gap diameter

例句：

1. 1.The air-gap diameter is a critical parameter in the design of electronic devices.
   空气间隙直径是电子器件设计中的关键参数。
2. 2.The researchers found that the air-gap diameter had a significant impact on the device's performance.
   研究人员发现，空气间隙直径对设备性能有显著影响。
3. 3. The engineers optimized the air-gap diameter to reduce the device's power consumption.
   工程师们优化了空气间隙直径以降低设备的功耗。